1805 Series

Fisher Regulator
Backpressure Regulators/Relief Valves

Features

• Tight Shutoff
• Easy Maintenance
• Simple Adjustment
• Complete Venting
• Sour Gas Service Capability

Specifications

• Body Size and End Connection Styles: 3/4, 1, 1-1/2, or 2 NPT
• Maximum Inlet Pressure: 150 psig / 10,3 bar, including buildup
• Relief Set Pressure Ranges: 5 to 125 psig / 0,34 to 8,6 bar in six ranges
• Temperature Capabilities: -20 to 150°F / -29 to 66°C
• Approximate Weights:
  3/4 to 1 NPT: 5 Pounds / 2 kg
  1-1/2 to 2 NPT: 13 Pounds / 6 kg